Raleigh, NC 27601 · Utility tests 2013–2023
Raleigh’s tap water has 29 contaminants, 17 above health guidelines.
- Water quality score
- 3out of 10Poor
Counts contaminants above an EWG health guideline, weighted by the harm the guideline protects against. 8 and above is good; 5 and above is fair.
- Above a health guideline
- 17of 29 found
- Linked to cancer
- 13above guideline
- In the SGS test program
- 6of 29 found
Contaminants found here that SGS measured the Sans Water Purifier against.
Water data: EWG Tap Water Database, utility test results 2013–2023. Guidelines are EWG health guidelines set by federal or state public-health authorities; legal limits differ.
What’s in the water
Level found: 19.9 ppb
Health guideline: 0.06 ppb
332×Removed by RO
Level found: 15.7 ppb
Health guideline: 0.1 ppb
157×Removed by RO
Level found: 21.7 ppb
Health guideline: 0.15 ppb
145×Removed by RO
Level found: 5.23 ppb
Health guideline: 0.06 ppb
87×Removed by RO
Level found: 11.4 ppb
Health guideline: 0.2 ppb
57×Removed by RO
Level found: 3.9 ppb
Health guideline: 0.1 ppb
39×Removed by RO
Level found: 14.5 ppb
Health guideline: 0.4 ppb
36×Removed by RO
Level found: 2.09 ppb
Health guideline: 0.1 ppb
21×Removed by RO
Level found: 0.333 pCi/L
Health guideline: 0.05 pCi/L
6.7×Removed by RO
- PFAS
Level found: 1.5 ppt
Health guideline: 0.3 ppt
5.0×Tested · >99%
10 of 29 contaminants
Tested: measured by SGS on the Sans Water Purifier, the lab’s own figure. Removed by RO: listed by EWG as reduced by reverse osmosis, the purifier’s filter type. Not tested: neither.
Where this report applies
Utilities serving zip 27601. Map data © OpenStreetMap contributors.
What the Sans Water Purifier is tested to reduce
SGS, an ISO/IEC 17025 laboratory, measured the purifier’s reduction of 19 contaminants (Dec 2023 to Mar 2024). These are the worst in Raleigh’s water that were in that program.
- Perfluorooctane sulfonate>99%Maximum measured reduction
- Nitrate>99.9%Maximum measured reduction
- Perfluorooctanoic acid>98.8%Maximum measured reduction
Figures are the laboratory’s own, measured under test conditions. Your tap water differs from the challenge water.